From this site you can download measurements of real acoustic spaces. These are called Impulse Responses, and they are intended for use in the Altiverb Sampled Acoustics Processor. Altiverb can apply these impulse responses to your audio, making it sound as if you are playing back your sound in real halls, churches, rooms, etc. The Audio Ease Music Rooms IR's are divided in the following categories:

King's College Chapel is the chapel to King's College of the University of Cambridge, and it is considered one of the finest examples of late Perpendicular Gothic English architecture. The chapel derives much of its fame from the Festival of Nine Lessons and Carols read more...

This magnificent orchestral studio is built in 1952/53 as a box in box construction, where the inner 'box' is suspended from chains from the outer box. It is extremely silent and served The purposes of both communist propaganda and recording of classic music, pop music, big band for the Broadcast of German Democratic Republic.

In about 1050, William the Conqueror founded the Abbaye-aux-Hommes. The Eglise Saint-Etienne is a beautiful structure done in the Norman Romanesque style, and both were constructed of ‘Caen stone’, a light creamy-yellow Jurassic limestone. This stone was also a popular building material with the Normans in England.

Mechanics Hall is heralded as one of the four finest concert halls in North America. Internationally regarded by performance artists for its superb acoustics, the Hall also houses a complete recording studio.

The large concert hall of Sydney Opera House is the largest interior venue at the Sydney Opera House. With its high vaulted ceiling and interior finishes of brush box and white birch timber, it is designed primarily for acoustic performances.

The construction of Saint-Alain, in the south of France, goes back to 1255. Its single naves width measures 13.8 meter, and its overall length is 73 meter. The cathedral is widely known for its famous organs, and many commercial recordings.

The Walt Disney Concert Hall at 111 South Grand Avenue in Downtown Los Angeles, California is the fourth hall of the Los Angeles Music Center. Bounded by Hope Street, Grand Avenue, 1st and 2nd Streets, it seats 2,265 people and serves (among other purposes) as the home of the Los Angeles Philharmonic Orchestra and the Los Angeles Master Chorale.

Utrecht the Netherlands based popular CD recording venue for Baroque orchestras. The eight sided arena features lots of wood combined with concrete details. Stereo and quadraphonic impulse responses are available, recorded with both omnidirectional and directional microphones.

Selimiye mosque, (1575) was built by the most important of Ottoman architects, Mimar Sinan, who designed several hundreds of buildings during the one hundred years he lived. According to Sinan himself Selimiye mosque is his absolute Masterpiece. This can therefore be considered to be one of the highest achievements of Islamic architecture.

This is one of the largest classical music venues in Europe. It seats 2500 and it's celebrated acoustics were designed by Karlheinz Mueller. Even without government subsidies, the Festspielhaus has become a regular stop for all the classical music superstars, and has grown to be one of the foremost classical music hotspots in central Europe.

This is a high concert hall for its size. Long, narrow and high. It is a shoe box, which acoustically is the perfect shape for a hall. It is built in the beginning of the 20th century, made of stone, plaster and pinewood it adds warmth and brightness in a pretty balance.

On Januari 11, 1932 building of the Antwerp Sports Palace started. 88.7 m wide, 132 m long and with a roof totalling 11.600 square meters, without any support pillars. It is the premiere venue of choice in Belgium for large european touring acts.

Sweden's main concert hall.
The 1300 seat Berwald Concert Hall, with the Swedish Radio Symphony Orchestra and the Swedish Radio Choir, is one of the most important cultural institutions in the country, reaching far beyond the borders of Sweden.

The Arena is used for concerts and for large scale TV productions such as "Wetten Das". It is the home of ice hockey team Hannover Scorpions, and seats 10767 fans during a play, and 14000 during a concert. The Icehockey world championships 2001 were held at The TUI Arena.

The hall's acoustics are among the most beautiful of Europe, in part designed by renowned ARTEC from New York, the company that was responsible for excellent sounding Birmingham Opera and Auditorium de Lucerne.

Peter Brandt recorded this room with a number of flying microphone systems ranging from wide setups to narrow to shotgun. Lanxess arena is an indoor arena, in Cologne, North Rhine-Westphalia, Germany. The arena opened in 1998 and can accommodate 20,000 people, and is in frequent use for concerts.

The concert hall of Barcelona’s Palau de la Música Catalana is a magical space, conceived and designed as an enormous glass box crowned with a large central skylight. The unorthodox application of surface materials, for instance the tiled floor, sets this hall apart acoustically from other concert halls.

The Gelredome is the home stadium of Vitesse in Arnhem. It was built in 1998, featuring a retractable roof as well as a convertible pitch that can be retracted when unused during concerts or other events held at the stadium although its capacity was rather modest with only 29,600 spectators at most.

Situated on the Zand, the largest square in Bruges, the Concertgebouw's stunning structure complements the surrounding architecture, lending a spacious element to the city's landscape. The world-class Concertgebouw is a triumph of creativity, form and functionality, offereng two superb auditoria.

The hall at Hardenbergstrasse has been the home of the Berliner Philharmoniker (under Von Karajan) in the 1960's. Now home of the symphonic Orchestra of the Universitaet Der Kuenste of Berlin, this futuristic looking hall is a fine example of 1950's architecture in Berlin.

Home of the Stockholm Philharmonic Orchestra, this is the principal place to hear classical music in Sweden. The Nobel Prizes are awarded here. Constructed in 1920, the hall seats 1,600 and is best suited to major orchestras. Besides local orchestras, the hall features visiting ensembles, such as the Chicago Symphony Orchestra.

A beautiful intimate brick and plaster chamber music hall in the heart of one of the buildings of the Universitaet Der Kuenste of Berlin, Germany. The room is flooded with daylight in its most wet setting, and becomes significantly dryer when the curtains are lowered.

The Original Vredenburg Concert Hall is being rebuilt until the year 2012. In the mean time symphonic concerts in Utrecht the Netherlands are held in this completely new Vredenburg Leidsche Rijn hall, also known as the Red Box. The large hall sounds open, warm and balanced, and surprisingly loud for its size and appearance.

The old opera was demolished in 1892 to give way to the construction of a new Opera by Axel Johan Anderberg. It is a majestic neo-classical building with a magnificent gold foyer and elegant marble grand staircase leading to a three-tiered auditorium somewhat smaller than the old theatre. It presently seats 1,200

This Opera theatre opened in 1840, and was restored in 2007.
The hall seats 1008. Together with the Antwerp Opera this is a theatre of the Flemish Opera. It shares a rare quality with some other large theaters: you hear a big room with a short reverb tail.

The Royal National Theatre, London, England, is generally known as the National Theatre and commonly as The National. Founded in 1963, it is one of the United Kingdom's two most prominent publicly funded theatre companies, alongside the Royal Shakespeare Company.

The location is stunning for music, a wooden interior of ideal proportions with a somewhat muffled but very open and spacious ambiance. A dead-silent location in the very heart of Amsterdam this delightful church from 1639 has seen many recording sessions so far, and from the sound of it, it has not seen the last yet.

Margaretakyrkan is the Swedish church located in Oslo, Norway. It is a stone church located in the centre of the city and played an important role during the 2nd world war serving the "Swedish Soup" to over 7000 people a day. The Margaretakyrkan is well known for its great acoustics. It was built in year 1922.

This Opera theatre opened in 1907, and was restored in 2007.
The hall seats 1081. For an Opera theater, the reverb time is exceptionally long and therefore the applications for this impulse response include symphonic material.

This is a typical timber church for the region Bergslagen in Sweden. Built in 1680 and restored in 1953 this beautiful cross shaped wooden church is a valuable addition to the Altiverb Ir library.
For Altiverb XL Surround this IR set includes speaker positions on the rear of the system.

Le Théâtre du Capitole is one of the most famous operas of France. Operas, ballets, operettas, recitals, chamber music, it's an eclectic place of creativity. With four centuries of history, it is today one of the large international scenes of many art forms.

This iconic Islandish church is the tallest building in Reykjavik, making it a true landmark. The modern church features a surprisingly natural, clean reverb tail that is longer then one would expect at first.

This majestic building was formerly a market hall for the grain market. In 1974, the place acquires a new use: it becomes the official residence of the Orchestra of Capitole, thanks to the acoustic quality of the building it hosts a broad array of performances: orchestral pieces, operas, ballets, and, occasionally, variety shows.

With its length of 43 meters, this medium sized neo-gothical catholic church features very smooth reverb tails. The church is used for choir and organ concerts. Stereo and quadraphonic impulse responses are available, recorded with both omnidirectional and directional microphones.

St James Cavelier, Centre for Creativity first opened its doors to the public on the 22nd of September 2000. As the Maltese Government's Millennnium Project it has taken on the role of pushing forward Malta's cultural aspirations.

Södra Teatern is a theatre in Stockholm, Sweden. Located in the popular "Söder"-district (Södermalm - the south Stockholm district), it's one of Stockholms most appreciated private theatres. Established in 1851, it's Stockholm's oldest private theatre.

There's no church in the collection that sounds anywhere near Coddenham's Saint Mary's. This small stone church adds a short clean reverb that sits somewhere in between a large recording studio and an echo chamber: a room (tone) you do not expect to find under churches/religious buildings in Altiverb.

The dome chapel in Renswoude the Netherlands has a symmetrical floor plan that measures 18 m X 18 m. This, combined with the relatively high dome, creates one of the finest acoustics available for small ensembles. Stereo and quadraphonic impulse responses are available.

This pretty chapel, with its entrance to a narrow and busy southern French street, is known in Toulouse for its regular music recitals. It is narrow and high and features a wooden floor, which is carpeted at the round end.

Among recording engineers the modern Philips Hall is known as the finest small auditorium available in the Netherlands. Impulse Responses were recorded with a variety of microphones and microphone setups, including quadraphonic configurations.

Possibly the smallest church in the Altiverb IR Library to date: Gol Stave Church at Norsk Folkemuseum - the Norwegian Museum of Cultural History. The Open-Air Museum features 155 authentic buildings from different national regions, i.e. Gol Stave Chuch, from the 13th century. Gol Stave is one of the few stave churches left in Norway.

This particular room has often been credited as the best chamber music recording venue in the world. It is a top favorite with leading ensembles and soloists - as well as a popular venue for recordings. The perfect setting for all types of chamber music, an ideal size in which to experience the intimacy of chamber music and recital performances.

1913 Schubert Saal (Hall) is the smallest of the three world class concert halls in the Vienna Konzerthaus (http://www.konzerthaus.at). It is intended for small chamber music ensembles, also used in many piano recital recordings.

With a 14 by 6 meter floor plan this is one of the smallest chapels you'll find. The acoustics are remarkably bright and ideal for acoustic guitar. Mono to stereo, stereo to stereo, mono to quad and stereo to quad impulse responses.

The interior features an optimum of reflective surfaces to allow for a small gap between direct and early reflections at any listening position. It causes a desirable combination of intimacy and sufficient reverb length in mid frequencies.

Designed in corporation with the Icelandic-Danish artist Olafur Eliasson, this concert hall in Reykjavik provides Iceland with a top class concert hall. The medium sized hall offers around 1600 seats. read more..

The Castle of de Haar (http://www.kasteeldehaar.nl) is the largest and most luxurious of Netherlands many castles. The central Main Hall features a large, high damping carpet and lots of ornaments. A beautiful complex, open and asymmetric reverb.

The castle, which is located about 28 km west of Vilnius, was founded during the 13th Century. The chapel is not big for a castle chapel (it is only bout 3 meters high) but all the hard bricks from the floor to ceiling make it an interesting and useful room.

Het Beaufort Huis is a former Gothic church built in 1861 and is located in the forests of Austerlitz in The Netherlands. The ‘church room’ has been rebuilt in order to function as a small theatre and because of its nice acoustics and unique location this venue is very popular.

The Empire Hall samples are of exceptional acoustic quality, and among the engineers favorite of the complete set. They are intimate, reverberant in a smooth manner, and reveal little resonances in the low frequencies.

Grünewaldsalen, restored in 1994, is a stunningly beautiful chamber music hall recognized in many recordings. It was named after its decorator Isaac Grünewald (1888-1946) who was an artist tought by Matisse, and a sought after stage designer in the 1920's. THe has 460 seats.

The Haydn Hall, with its very distinct slap-backs, offers very diverse sounds at the different microphone positions. The stereo image is quite 'open' possibly due to the presence of strong lateral reflections. For 17th century sized orchestras, Haydn saal is considered the ideal hall.

It's hard to imagine a recording environment more physically beautiful than Allaire. The place is the epitome of the residential studio, in that it offers the best of all worlds technologically and acoustically: a huge Neve tracking/mixing room (the Neve Room) and an even bigger SSL studio (the Great Hall).

Hansa Tonstudio is a recording studio located in Berlin and it ranks among the most wanted studios in europe. The spacious Meistersaal and the tight sounding live room have witnessed many legendary recordings throughout the decades by a.o. David Bowie, Depeche mode, Iggy Pop and U2.

We stayed the night in the country house of (Emmy nominated sound designer) Coll Anderson. The living room sounded pretty nice he told me. He actually recorded a band in there once and got good reviews for it. I agree. Coll's living makes a very nice drum room. We sampled it thoroughly for music purposes.

Famous dutch architect P.J.H. Cuypers, known for the Rijksmuseum and the Amsterdam Central Railway Station, rebuilt the Castle of De Haar at the end of the 19th century from ruins dating back to the 13th century. The intimate library is mostly built of wood and has various carpets on the floor and the wall.

Cello Studios, at 6000 sunset Blvd. in Los Angeles, is fortunate to have what many people consider to be some of the best sounding large live rooms ever built. Live Room 2 is the tight and mellow room.

The Utrecht Maliebaan Station, a train station from the 19th century, has completely been renovated to its original state from the year 1874. This set contains the station hall, a royal waiting room and a 1st and 2nd class wating room.

This is one of those rare places that has produced records in everyone's collection. Samples were made of the spacious, open sounding live room, known from the Live Aid video. And also from studio 2 and 3, read more here...

Hardly any offensive features can be heard in the acoustics of the Oratorium. The small room with plastered dome shaped ceiling combined with a thick wooden floor has a bright and long decay, without distant slap-backs normally associated with reverbs of this length. Excellent acoustics for vocals...

The Utility Muffin Research Kitchen is the name of the recording studio that Frank Zappa built and used extensively at his home for many of his recordings. The studio was completed on September 1, 1979 and the recording of several songs that were eventually released on the album You Are What You Is began in July, 1980...(more)

One of the larger study rooms. The impulse responses were shot with the shutters closed, creating and almost completely wooden surface in the entire room. Mono to stereo, stereo to stereo, mono to quad and stereo to quad impulse responses.

SARM studios Hook End facility west of London competes with Allaire studios (upstate New York) as the absolute ultimate of residential studios. These samples were made in the spacious but acoustically contained live room, the wonderful brick drum iso booth, and a smaller iso booth that is more damped.

One of the reasons for bands to drive the 30 miles out of Nashville must certainly be the extraordinary drum sound produced by the stone wall and high ceilings of the drum room in the Cabin, one of Dark Horse's many recording rooms.

Among the top of Nashville recording studios is well know name Omnisound. I went there to record their most precious main tracking room one busy sunday to record this set of impulse responses with George Massenburg's Genelec 1032 and our trusted DPA 4006's mounted on the spider.

For over 30 years Westlake Audio (http://westlakeaudio.com/Studios/studios.html), at 7265 Santa Monica Blvd., Los Angeles, has been the home of top artists. Studio D is Westlake Audio's signature studio. It features an expansive control room, a lounge and a 1120 square feet tracking room.

The contributions of Fox Music over the last seventy years transcend the field of film and television music. ntroduced by this department are such monuments of culture as "Love is a Many Splendored Thing", "On the Good Ship Lollipop", the score from "Laura" and the "Theme from M*A*S*H". The history...more

The tracking room was constructed in the mid-1990’s under the supervision of famed studio architect Tom Hidley.
Hidley’s impressive implementation of German-built “floating floors,” literally created a building within a building and made for impeccable sound quality, drawing some of the world’s most famous artists and musicians.

For many decades the present Teldex Studio Berlin was the home of recording teams from Telefunken and later from Teldec Classics. The studio was also the venue for hundreds of legendary recordings, from classic to pop, as well as the place where revolutionary technical developments, like DMM and DVD-Audio, were accomplished.

Clubhouse is a Word class residential recording facility in a beautiful tranquil region. Apart from the relaxed atmosphere at clubhouse, emphasis lies on the 31 by 29 feet central tracking room. It sounds spacious and lively, and was recorded for this session with minimal damping, resulting in an open, wooden drum sound.

This magnificent orchestral studio is built in 1952/53. This is the smaller of two orchestral radio studios from the former East German Broadcast. For 40 years this was the home base for two symphony orchestras, one string-dance orchestra, one Big Band and one radio choir.

Edison recording, right in the heart of Manhattan is a spacious room that has quite a contained, flat, and evenly distributed room sound. The room has a rich history, but has closed its door as a commercial studio. Right now it is a studio for the private use of the owners amongst which is Lenny Kravitz.

The 4,500-square-foot stage was especially good for 20–65 musicians. Paramount recordist Paul Wertheimer added that he heard some composers describe the room as "warm and controllable," and that musicians liked the fact that, unlike larger scoring stages, "they could hear each other clearly so that they could play (more effectively) with each other."

This is the famous room of Ferber, designed by René Ameline in 1973.
Over the last 40 years close to all famous French artists and also international (like recently Franz Ferdinand, Jamiroquai, Muse, Feist) came here to record and mix.

The Todd-AO stage is historic and is on a short-list of such large facilities in the U.S. Original owner Republic Pictures was awarded a special Oscar in 1945 for building "an outstanding musical scoring auditorium which provides optimum recording conditions.” The Stage earned its position in the 1959 printing of the Audio Cyclopedia. More...

Studio A is one of the largest tracking rooms we have come across in Europe. A massive area with superb accoustics, four isolation booths and a gallery. The history of tis place is staggering. Studio C is the facilities echo chamber.

JET Studio is located in Brussels, right in the heart of Europe. Founded by DECCA RECORDS in 1942, it is the oldest studio in Belgium and one of the oldest studios in Europe. This set contains not only the live room and two iso booths but also the echo chamber and lobby (also used for adding more ambient to recordings).

Fattoria Musica Recording Studios is a residential recording studio facility in Osnabruck, Germany. It is located on a beautiful old farm and is considered to be one of the leading facilities for music production in Germany and beyond.

Sound On sound Recording, on Manhattans 45th Street, Houses the popular multipurpose larger tracking room Studio A, which caters to top clients ranging from 50 cent to Eric Clapton. The medium to lively sounding 30 by 26 feet studio is supplemented by several iso booths.

Until 1990, the chapel of this national monument was still used as a place of worship. In 1991, the Technical University of Eindhoven carried out an acoustic concept, transforming there premises into a recording studio. It was the birth of Chapel Studio.

Concerts at Tivoli have a capacity of 1000 people. It is considered one of the foremost venues for alternative live music in the Netherlands.
The concert hall was captured in surround using Audio Eases trusted DPA 4006's and Genelec 1037 studio monitor, as well as with Tivoli's own PA system for extra authenticity.

MCO1 is the second largest studio of the Netherlands Broadcasting Music Center and home of the Netherlands Radio Chamber Philharmonic. It is famous for its acoustic qualities and suitable for rehearsals and recordings of ensembles that may vary from a few people to a complete symphony orchestra.

Avant garde and experimental music club Tonic ( 107 Norfolk Street, lower east Side, Manhattan) operates on a curatorial system. Each month, different musicians program Tonic's New Music, Songwriter & Klezmer series. Its performance space was captured in surround using Audio Eases trusted DPA 4006's and Tonic's own PA system for extra authenticity.

MCO 3 was designed especially to accommodate the Metropole Orchestra. It has been equipped to a very high standard which ensures an optimal performance by the musicians. The Metropole Orchestra both rehearses and records here.
MCO 10
is ideal for solo or group rehearsal. This is the smallest studio of the MCO.

The venue is inside an old church, which has been transformed into a "temple of music". The acoustics are rather echoey, but improvements have been made over the years. On May 26-27, 1995, the Rolling Stones played two semi-acoustic concerts at the Paradiso. Keith Richards said that the Paradiso concerts were the best live shows the Stones ever did. (Wikipedia.org)

This is the largest hall of the Netherlands Broadcasting Music Center and home of the Netherlands Radio Philharmonic Orchestra. The studio has a large multi-leveled stage. There's also a spacious balcony to accommodate the Netherlands Radio Choir, and even - if applicable - another choir. MCO 5 has a control room for recordings.

The king's chamber is a lonely, dark, and silent place. It measures 10.47 metres (34.4 ft) from east to west and 5.234 metres (17.17 ft) north to south. It has a flat roof 5.974 metres (19.60 ft) above the floor and is entirely faced with granite. The only object in it is a rectangular granite "sarcophagus". read more here....

"If you walk into the place the internal size of it is humbling, but you soon forget because you'll be taken by the acoustics as soon as you start making sound. The reverb in Gol Gumbaz is so staggering that Indian people travel for days just to hear it. It took us two years to get the proper permissions and clearing the place for a couple of hours."

Leading New York facility Clinton Studios on 10th Ave. Manhattan, is particularly well-known for Studio A, one of the last big rooms on the east coast. Studio A is a large soundstage-style room that can hold up to 85 musicians. It is contained yet lively, and has pleased clients such as Frank Sinatra, Steely Dan, James Taylor, REM and Celine Dion.

Emanuel Vigeland Museum at Slemdal is one of Oslo's best kept secrets. The museum's main attraction is a dark, barrel-vaulted room, completely covered with fresco paintings. The 800 sq.m. fresco Vita depicts human life from conception till death. In the entire Altiverb IR Library this room’s size to reverb time ration is unmatched.

John Baccigaluppi from Tape Op magazine submitted this stereo to stereo Impulse response of the Hangar Studio, Sacramento, to accompany their Altiverb review. For the sample a Genelec 1031A on the front edge of the fed two Earthworks TC-30's set up 20 feet from the stage, into Millenia Media HV-3 Mic pre straight into DP.

B. Groenekamp swept this gigantic reverb. The concrete basement is only 30 by 25 feet, but the 20 odd drawing boards that are set up at various heights and angles partly explain the exceptional length of the decay.

Four locations in this former brothel were submitted by Hans Oster from the Netherlands. The hollow elongated bike cellar, the spacious brick wall ping pong room, the tight concrete piano basement, and the dance instruction room.

Blake Eiseman writes: I have a two-story living room which actually has a pretty nice room sound to it. I've always thought it would make a great drum room. Two Earthworks TC30K omni mics were placed as high as the stands would take them, in opposite corners of the room. The decay is a little over one second long.